TSTP Solution File: KLE057+1 by Otter---3.3
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- Process Solution
%------------------------------------------------------------------------------
% File : Otter---3.3
% Problem : KLE057+1 : TPTP v8.1.0. Released v4.0.0.
% Transfm : none
% Format : tptp:raw
% Command : otter-tptp-script %s
% Computer : n024.cluster.edu
% Model : x86_64 x86_64
% CPU : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory : 8042.1875MB
% OS : Linux 3.10.0-693.el7.x86_64
% CPULimit : 300s
% WCLimit : 300s
% DateTime : Wed Jul 27 13:00:38 EDT 2022
% Result : Theorem 1.77s 1.98s
% Output : Refutation 1.77s
% Verified :
% SZS Type : Refutation
% Derivation depth : 4
% Number of leaves : 4
% Syntax : Number of clauses : 8 ( 8 unt; 0 nHn; 7 RR)
% Number of literals : 8 ( 7 equ; 2 neg)
% Maximal clause size : 1 ( 1 avg)
% Maximal term depth : 2 ( 1 avg)
% Number of predicates : 2 ( 0 usr; 1 prp; 0-2 aty)
% Number of functors : 3 ( 3 usr; 2 con; 0-1 aty)
% Number of variables : 1 ( 0 sgn)
% Comments :
%------------------------------------------------------------------------------
cnf(3,axiom,
domain(dollar_c1) != zero,
file('KLE057+1.p',unknown),
[] ).
cnf(4,axiom,
A = A,
file('KLE057+1.p',unknown),
[] ).
cnf(35,axiom,
domain(zero) = zero,
file('KLE057+1.p',unknown),
[] ).
cnf(39,axiom,
dollar_c1 = zero,
file('KLE057+1.p',unknown),
[] ).
cnf(41,plain,
zero = dollar_c1,
inference(flip,[status(thm),theory(equality)],[inference(copy,[status(thm)],[39])]),
[iquote('copy,39,flip.1')] ).
cnf(43,plain,
domain(dollar_c1) = dollar_c1,
inference(demod,[status(thm),theory(equality)],[inference(back_demod,[status(thm)],[35]),41,41]),
[iquote('back_demod,35,demod,41,41')] ).
cnf(50,plain,
dollar_c1 != dollar_c1,
inference(demod,[status(thm),theory(equality)],[inference(back_demod,[status(thm)],[3]),43,41]),
[iquote('back_demod,3,demod,43,41')] ).
cnf(51,plain,
$false,
inference(binary,[status(thm)],[50,4]),
[iquote('binary,50.1,4.1')] ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.11/0.12 % Problem : KLE057+1 : TPTP v8.1.0. Released v4.0.0.
% 0.11/0.13 % Command : otter-tptp-script %s
% 0.12/0.34 % Computer : n024.cluster.edu
% 0.12/0.34 % Model : x86_64 x86_64
% 0.12/0.34 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.34 % Memory : 8042.1875MB
% 0.12/0.34 % OS : Linux 3.10.0-693.el7.x86_64
% 0.12/0.34 % CPULimit : 300
% 0.12/0.34 % WCLimit : 300
% 0.12/0.34 % DateTime : Wed Jul 27 06:30:10 EDT 2022
% 0.12/0.34 % CPUTime :
% 1.77/1.98 ----- Otter 3.3f, August 2004 -----
% 1.77/1.98 The process was started by sandbox2 on n024.cluster.edu,
% 1.77/1.98 Wed Jul 27 06:30:10 2022
% 1.77/1.98 The command was "./otter". The process ID is 803.
% 1.77/1.98
% 1.77/1.98 set(prolog_style_variables).
% 1.77/1.98 set(auto).
% 1.77/1.98 dependent: set(auto1).
% 1.77/1.98 dependent: set(process_input).
% 1.77/1.98 dependent: clear(print_kept).
% 1.77/1.98 dependent: clear(print_new_demod).
% 1.77/1.98 dependent: clear(print_back_demod).
% 1.77/1.98 dependent: clear(print_back_sub).
% 1.77/1.98 dependent: set(control_memory).
% 1.77/1.98 dependent: assign(max_mem, 12000).
% 1.77/1.98 dependent: assign(pick_given_ratio, 4).
% 1.77/1.98 dependent: assign(stats_level, 1).
% 1.77/1.98 dependent: assign(max_seconds, 10800).
% 1.77/1.98 clear(print_given).
% 1.77/1.98
% 1.77/1.98 formula_list(usable).
% 1.77/1.98 all A (A=A).
% 1.77/1.98 all A B (addition(A,B)=addition(B,A)).
% 1.77/1.98 all C B A (addition(A,addition(B,C))=addition(addition(A,B),C)).
% 1.77/1.98 all A (addition(A,zero)=A).
% 1.77/1.98 all A (addition(A,A)=A).
% 1.77/1.98 all A B C (multiplication(A,multiplication(B,C))=multiplication(multiplication(A,B),C)).
% 1.77/1.98 all A (multiplication(A,one)=A).
% 1.77/1.98 all A (multiplication(one,A)=A).
% 1.77/1.98 all A B C (multiplication(A,addition(B,C))=addition(multiplication(A,B),multiplication(A,C))).
% 1.77/1.98 all A B C (multiplication(addition(A,B),C)=addition(multiplication(A,C),multiplication(B,C))).
% 1.77/1.98 all A (multiplication(A,zero)=zero).
% 1.77/1.98 all A (multiplication(zero,A)=zero).
% 1.77/1.98 all A B (le_q(A,B)<->addition(A,B)=B).
% 1.77/1.98 all X0 (addition(X0,multiplication(domain(X0),X0))=multiplication(domain(X0),X0)).
% 1.77/1.98 all X0 X1 (domain(multiplication(X0,X1))=domain(multiplication(X0,domain(X1)))).
% 1.77/1.98 all X0 (addition(domain(X0),one)=one).
% 1.77/1.98 domain(zero)=zero.
% 1.77/1.98 all X0 X1 (domain(addition(X0,X1))=addition(domain(X0),domain(X1))).
% 1.77/1.98 -(all X0 (X0=zero->domain(X0)=zero)).
% 1.77/1.98 end_of_list.
% 1.77/1.98
% 1.77/1.98 -------> usable clausifies to:
% 1.77/1.98
% 1.77/1.98 list(usable).
% 1.77/1.98 0 [] A=A.
% 1.77/1.98 0 [] addition(A,B)=addition(B,A).
% 1.77/1.98 0 [] addition(A,addition(B,C))=addition(addition(A,B),C).
% 1.77/1.98 0 [] addition(A,zero)=A.
% 1.77/1.98 0 [] addition(A,A)=A.
% 1.77/1.98 0 [] multiplication(A,multiplication(B,C))=multiplication(multiplication(A,B),C).
% 1.77/1.98 0 [] multiplication(A,one)=A.
% 1.77/1.98 0 [] multiplication(one,A)=A.
% 1.77/1.98 0 [] multiplication(A,addition(B,C))=addition(multiplication(A,B),multiplication(A,C)).
% 1.77/1.98 0 [] multiplication(addition(A,B),C)=addition(multiplication(A,C),multiplication(B,C)).
% 1.77/1.98 0 [] multiplication(A,zero)=zero.
% 1.77/1.98 0 [] multiplication(zero,A)=zero.
% 1.77/1.98 0 [] -le_q(A,B)|addition(A,B)=B.
% 1.77/1.98 0 [] le_q(A,B)|addition(A,B)!=B.
% 1.77/1.98 0 [] addition(X0,multiplication(domain(X0),X0))=multiplication(domain(X0),X0).
% 1.77/1.98 0 [] domain(multiplication(X0,X1))=domain(multiplication(X0,domain(X1))).
% 1.77/1.98 0 [] addition(domain(X0),one)=one.
% 1.77/1.98 0 [] domain(zero)=zero.
% 1.77/1.98 0 [] domain(addition(X0,X1))=addition(domain(X0),domain(X1)).
% 1.77/1.98 0 [] $c1=zero.
% 1.77/1.98 0 [] domain($c1)!=zero.
% 1.77/1.98 end_of_list.
% 1.77/1.98
% 1.77/1.98 SCAN INPUT: prop=0, horn=1, equality=1, symmetry=0, max_lits=2.
% 1.77/1.98
% 1.77/1.98 This is a Horn set with equality. The strategy will be
% 1.77/1.98 Knuth-Bendix and hyper_res, with positive clauses in
% 1.77/1.98 sos and nonpositive clauses in usable.
% 1.77/1.98
% 1.77/1.98 dependent: set(knuth_bendix).
% 1.77/1.98 dependent: set(anl_eq).
% 1.77/1.98 dependent: set(para_from).
% 1.77/1.98 dependent: set(para_into).
% 1.77/1.98 dependent: clear(para_from_right).
% 1.77/1.98 dependent: clear(para_into_right).
% 1.77/1.98 dependent: set(para_from_vars).
% 1.77/1.98 dependent: set(eq_units_both_ways).
% 1.77/1.98 dependent: set(dynamic_demod_all).
% 1.77/1.98 dependent: set(dynamic_demod).
% 1.77/1.98 dependent: set(order_eq).
% 1.77/1.98 dependent: set(back_demod).
% 1.77/1.98 dependent: set(lrpo).
% 1.77/1.98 dependent: set(hyper_res).
% 1.77/1.98 dependent: clear(order_hyper).
% 1.77/1.98
% 1.77/1.98 ------------> process usable:
% 1.77/1.98 ** KEPT (pick-wt=8): 1 [] -le_q(A,B)|addition(A,B)=B.
% 1.77/1.98 ** KEPT (pick-wt=8): 2 [] le_q(A,B)|addition(A,B)!=B.
% 1.77/1.98 ** KEPT (pick-wt=4): 3 [] domain($c1)!=zero.
% 1.77/1.98
% 1.77/1.98 ------------> process sos:
% 1.77/1.98 ** KEPT (pick-wt=3): 4 [] A=A.
% 1.77/1.98 ** KEPT (pick-wt=7): 5 [] addition(A,B)=addition(B,A).
% 1.77/1.98 ** KEPT (pick-wt=11): 7 [copy,6,flip.1] addition(addition(A,B),C)=addition(A,addition(B,C)).
% 1.77/1.98 ---> New Demodulator: 8 [new_demod,7] addition(addition(A,B),C)=addition(A,addition(B,C)).
% 1.77/1.98 ** KEPT (pick-wt=5): 9 [] addition(A,zero)=A.
% 1.77/1.98 ---> New Demodulator: 10 [new_demod,9] addition(A,zero)=A.
% 1.77/1.98 ** KEPT (pick-wt=5): 11 [] addition(A,A)=A.
% 1.77/1.98 ---> New Demodulator: 12 [new_demod,11] addition(A,A)=A.
% 1.77/1.98 ** KEPT (pick-wt=11): 14 [copy,13,flip.1] multiplication(multiplication(A,B),C)=multiplication(A,multi
% 1.77/1.98 -------- PROOF --------
% 1.77/1.98 plication(B,C)).
% 1.77/1.98 ---> New Demodulator: 15 [new_demod,14] multiplication(multiplication(A,B),C)=multiplication(A,multiplication(B,C)).
% 1.77/1.98 ** KEPT (pick-wt=5): 16 [] multiplication(A,one)=A.
% 1.77/1.98 ---> New Demodulator: 17 [new_demod,16] multiplication(A,one)=A.
% 1.77/1.98 ** KEPT (pick-wt=5): 18 [] multiplication(one,A)=A.
% 1.77/1.98 ---> New Demodulator: 19 [new_demod,18] multiplication(one,A)=A.
% 1.77/1.98 ** KEPT (pick-wt=13): 20 [] multiplication(A,addition(B,C))=addition(multiplication(A,B),multiplication(A,C)).
% 1.77/1.98 ---> New Demodulator: 21 [new_demod,20] multiplication(A,addition(B,C))=addition(multiplication(A,B),multiplication(A,C)).
% 1.77/1.98 ** KEPT (pick-wt=13): 22 [] multiplication(addition(A,B),C)=addition(multiplication(A,C),multiplication(B,C)).
% 1.77/1.98 ---> New Demodulator: 23 [new_demod,22] multiplication(addition(A,B),C)=addition(multiplication(A,C),multiplication(B,C)).
% 1.77/1.98 ** KEPT (pick-wt=5): 24 [] multiplication(A,zero)=zero.
% 1.77/1.98 ---> New Demodulator: 25 [new_demod,24] multiplication(A,zero)=zero.
% 1.77/1.98 ** KEPT (pick-wt=5): 26 [] multiplication(zero,A)=zero.
% 1.77/1.98 ---> New Demodulator: 27 [new_demod,26] multiplication(zero,A)=zero.
% 1.77/1.98 ** KEPT (pick-wt=11): 28 [] addition(A,multiplication(domain(A),A))=multiplication(domain(A),A).
% 1.77/1.98 ---> New Demodulator: 29 [new_demod,28] addition(A,multiplication(domain(A),A))=multiplication(domain(A),A).
% 1.77/1.98 ** KEPT (pick-wt=10): 31 [copy,30,flip.1] domain(multiplication(A,domain(B)))=domain(multiplication(A,B)).
% 1.77/1.98 ---> New Demodulator: 32 [new_demod,31] domain(multiplication(A,domain(B)))=domain(multiplication(A,B)).
% 1.77/1.98 ** KEPT (pick-wt=6): 33 [] addition(domain(A),one)=one.
% 1.77/1.98 ---> New Demodulator: 34 [new_demod,33] addition(domain(A),one)=one.
% 1.77/1.98 ** KEPT (pick-wt=4): 35 [] domain(zero)=zero.
% 1.77/1.98 ---> New Demodulator: 36 [new_demod,35] domain(zero)=zero.
% 1.77/1.98 ** KEPT (pick-wt=10): 37 [] domain(addition(A,B))=addition(domain(A),domain(B)).
% 1.77/1.98 ---> New Demodulator: 38 [new_demod,37] domain(addition(A,B))=addition(domain(A),domain(B)).
% 1.77/1.98 ** KEPT (pick-wt=3): 40 [copy,39,flip.1] zero=$c1.
% 1.77/1.98 ---> New Demodulator: 41 [new_demod,40] zero=$c1.
% 1.77/1.98 Following clause subsumed by 4 during input processing: 0 [copy,4,flip.1] A=A.
% 1.77/1.98 Following clause subsumed by 5 during input processing: 0 [copy,5,flip.1] addition(A,B)=addition(B,A).
% 1.77/1.98 >>>> Starting back demodulation with 8.
% 1.77/1.98 >>>> Starting back demodulation with 10.
% 1.77/1.98 >>>> Starting back demodulation with 12.
% 1.77/1.98 >>>> Starting back demodulation with 15.
% 1.77/1.98 >>>> Starting back demodulation with 17.
% 1.77/1.98 >>>> Starting back demodulation with 19.
% 1.77/1.98 >>>> Starting back demodulation with 21.
% 1.77/1.98 >>>> Starting back demodulation with 23.
% 1.77/1.98 >>>> Starting back demodulation with 25.
% 1.77/1.98 >>>> Starting back demodulation with 27.
% 1.77/1.98 >>>> Starting back demodulation with 29.
% 1.77/1.98 >>>> Starting back demodulation with 32.
% 1.77/1.98 >>>> Starting back demodulation with 34.
% 1.77/1.98 >>>> Starting back demodulation with 36.
% 1.77/1.98 >>>> Starting back demodulation with 38.
% 1.77/1.98 >>>> Starting back demodulation with 41.
% 1.77/1.98 >> back demodulating 35 with 41.
% 1.77/1.98 >> back demodulating 26 with 41.
% 1.77/1.98 >> back demodulating 24 with 41.
% 1.77/1.98 >> back demodulating 9 with 41.
% 1.77/1.98 >> back demodulating 3 with 41.
% 1.77/1.98
% 1.77/1.98 ----> UNIT CONFLICT at 0.00 sec ----> 51 [binary,50.1,4.1] $F.
% 1.77/1.98
% 1.77/1.98 Length of proof is 3. Level of proof is 3.
% 1.77/1.98
% 1.77/1.98 ---------------- PROOF ----------------
% 1.77/1.98 % SZS status Theorem
% 1.77/1.98 % SZS output start Refutation
% See solution above
% 1.77/1.98 ------------ end of proof -------------
% 1.77/1.98
% 1.77/1.98
% 1.77/1.98 Search stopped by max_proofs option.
% 1.77/1.98
% 1.77/1.98
% 1.77/1.98 Search stopped by max_proofs option.
% 1.77/1.98
% 1.77/1.98 ============ end of search ============
% 1.77/1.98
% 1.77/1.98 -------------- statistics -------------
% 1.77/1.98 clauses given 0
% 1.77/1.98 clauses generated 0
% 1.77/1.98 clauses kept 26
% 1.77/1.98 clauses forward subsumed 2
% 1.77/1.98 clauses back subsumed 0
% 1.77/1.98 Kbytes malloced 976
% 1.77/1.98
% 1.77/1.98 ----------- times (seconds) -----------
% 1.77/1.98 user CPU time 0.00 (0 hr, 0 min, 0 sec)
% 1.77/1.98 system CPU time 0.00 (0 hr, 0 min, 0 sec)
% 1.77/1.98 wall-clock time 1 (0 hr, 0 min, 1 sec)
% 1.77/1.98
% 1.77/1.98 That finishes the proof of the theorem.
% 1.77/1.98
% 1.77/1.98 Process 803 finished Wed Jul 27 06:30:11 2022
% 1.77/1.98 Otter interrupted
% 1.77/1.98 PROOF FOUND
%------------------------------------------------------------------------------